Find the Area of the Surface Obtained by Revolving the Given

question 66

Multiple Choice

Find the area of the surface obtained by revolving the given curve about the x-axis. $y=\frac{e^{x}+e^{-x}}{2}$ on $[0, \ln 5]$

• A)
• \(\frac{156}{25} \pi\)
• B)\(\frac{\pi}{5}\left(\frac{156}{25}+\ln 5\right)\)
• C) \(\pi\left(\frac{156}{25}+\ln 5\right)\)
• D)\(\pi \ln 5\)

---

Definitions:

Downward Communication

A form of organizational communication that flows from higher levels of management to subordinate levels.

Grapevine Communication

Informal information exchange among people in an organization, often involving rumors or unsubstantiated facts.

Downward Communication

Information flow from higher levels of an organization's hierarchy to the lower levels, often involving directives, updates, or feedback.

Interpersonal Level

Pertaining to or involving relationships between individuals.